in Elix, Johnston & Verdon, Mycotaxon 27: 279 (1986). Basionym: Parmelia texana Tuck., Amer. J. Sci. Arts, Ser. 2 25: 424 (1858).
Basionym: Parmelia texana Tuck., Amer. J. Sci. Arts, Ser. 2 25: 424 (1858).